ColorTool
Log in
#1B2BBF

#1b2bbf ≈ Persian Blue

  • blue
  • Lightness: medium
  • Saturation: strong
  • Cool
Check contrast Explore in graph Random color

#1b2bbf is a color from the blue family, with medium lightness and strong saturation. In the RGB model it is made of 10.59% red, 16.86% green and 74.9% blue; printed in CMYK it uses 85.86% cyan, 77.49% magenta, 0% yellow and 25.1% black. Its hue angle is 234.15°, with 75.23% saturation and 42.75% lightness in HSL. It is a cool color, often associated with trust, stability and focus. Designers typically use it for technology products, finance and banking and brand accents. White text on this color reaches a contrast ratio of 9.79:1 (WCAG AAA). The closest named color is Persian Blue (#1c39bb), ΔE 3.63.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#3333cc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.0572

Complementary

  1. #1b2bbf
  2. #bfaf1b

Split complementary

  1. #1b2bbf
  2. #bf5d1b
  3. #7dbf1b

Analogous

  1. #1b7dbf
  2. #1b2bbf
  3. #5d1bbf

Triadic

  1. #1b2bbf
  2. #bf1b2b
  3. #2bbf1b

Tetradic

  1. #1b2bbf
  2. #af1bbf
  3. #bfaf1b
  4. #2bbf1b

Square

  1. #1b2bbf
  2. #bf1b7d
  3. #bfaf1b
  4. #1bbf5d

Monochromatic

  1. #080d39
  2. #121c7c
  3. #1b2bbf
  4. #4252e4
  5. #858fee

Shades

#1b2bbf mixed progressively with black.

  1. #1b2bbf
  2. #1827ac
  3. #162299
  4. #131e86
  5. #101a73
  6. #0e1660
  7. #0b114c
  8. #080d39
  9. #050926
  10. #030413
  11. #000000

Tints

#1b2bbf mixed progressively with white.

  1. #1b2bbf
  2. #3240c5
  3. #4955cc
  4. #5f6bd2
  5. #7680d9
  6. #8d95df
  7. #a4aae5
  8. #bbbfec
  9. #d1d5f2
  10. #e8eaf9
  11. #ffffff

Tones

#1b2bbf mixed progressively with gray.

  1. #1b2bbf
  2. #2534b9
  3. #2f3cb2
  4. #3945ac
  5. #434da6
  6. #4e56a0
  7. #585e99
  8. #626793
  9. #6c6f8d
  10. #767886
  11. #808080

Readable text 9.79:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓
Readable text 2.14:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕

Achromatopsia #444444 ≈ 0.003% of males
Achromatomaly #373b87 ≈ 0.001% of males
Protanopia #004cc3 ≈ 1.01% of males
Deuteranopia #003bbc ≈ 1.27% of males
Tritanopia #005874 ≈ 0.0001% of males
Protanomaly #0041c2 ≈ 1.08% of males
Deuteranomaly #0035bd ≈ 4.63% of males
Tritanomaly #004a98 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-1b2bbf {
  color: #1b2bbf;
}
Background
.bg-1b2bbf {
  background-color: #1b2bbf;
  color: #ffffff;
}
Border
.border-1b2bbf {
  border: 2px solid #1b2bbf;
}
CSS variables
:root {
  --color-primary: #1b2bbf;
  --color-primary-rgb: 27 43 191;
  --color-primary-hsl: 234 75% 43%;
}
Gradient
.gradient-1b2bbf {
  background: linear-gradient(135deg, #1b2bbf, #5d1bbf);
}
Colored shadow
.shadow-1b2bbf {
  box-shadow: 0 8px 24px rgb(27 43 191 / 0.35);
}

#1c39bb Persian Blue ΔE 3.63 #1034a6 Egyptian Blue ΔE 4.57 #0000cd Medium Blue ΔE 5.46 #0014a8 Zaffre ΔE 5.72 #002395 Imperial Blue ΔE 6.30 #003399 Smalt ΔE 6.56 #4f42b5 Ocean Blue ΔE 7.22 #e4d440 Inverted #444444 Grayscale 

Persian Blue
#1b2bbf  rgb(27, 43, 191)  hsl(234, 75%, 43%)  Persian Blue
#bfaf1b  rgb(191, 175, 27)  hsl(54, 75%, 43%)  Old Gold
#bf1b2b  rgb(191, 27, 43)  hsl(354, 75%, 43%)  Firebrick
#2bbf1b  rgb(43, 191, 27)  hsl(114, 75%, 43%)  Kelly Green